bocusa.com - dns.ninja
bocusa.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | auth1.dns.cogentco.com ⭐ | ||||||
| A | 2001:550:1:a::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:b::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| MX | mxg1.bocusa.com ⭐ | ||||||
| A | 208.5.220.31🇺🇸 AS25762208.5.220.0/24 SPRINTLINK - Bank of China | ||||||
| MX | mxg2.bocusa.com ⭐ | ||||||
| A | 208.5.220.32🇺🇸 AS25762208.5.220.0/24 SPRINTLINK - Bank of China | ||||||
| TXT | v=spf1 mx ip4:208.5.220.31 ip4:208.5.220.32 ip4:208.5.220.33 ip4:208.5.220.34... | ||||||
| TXT | rm7sj16w2w284j00q6wyzqpbwv24f1zk | ||||||
| SOA | auth1.dns.cogentco.comdns@cogentco.com 2025-12-20 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782853421 | ||||||
rank #443434 in the tld
Subdomains
mxg4.bocusa.com |
ca.bocusa.com |
mxg1.bocusa.com |
mxg2.bocusa.com |
mx.bocusa.com |
www.bocusa.com |
mxg3.bocusa.com |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSauth1.dns.cogentco.com2026-02-16 → 2026-06-30 · 3 obs
● 2026-02-16 09:57:24
● 2026-06-30 21:05:30
●NSauth2.dns.cogentco.com2026-02-16 → 2026-06-30 · 3 obs
● 2026-02-16 09:57:24
● 2026-06-30 21:05:30
○NSns1-auth.sprintlink.net2007-10-30 → 2016-11-19 · 4 obs
● 2016-11-19 21:11:24
○ 2026-02-16 09:57:24
○ 2026-06-30 21:05:30
○NSns2-auth.sprintlink.net2007-10-30 → 2016-11-19 · 4 obs
● 2016-11-19 21:11:24
○ 2026-02-16 09:57:24
○ 2026-06-30 21:05:30
○NSns3-auth.sprintlink.net2007-10-30 → 2016-11-19 · 4 obs
● 2016-11-19 21:11:24
○ 2026-02-16 09:57:24
○ 2026-06-30 21:05:30
●MXmxg1.bocusa.com2015-07-09 → 2026-06-30 · 3 obs
● 2015-07-09 17:53:18
● 2026-06-30 21:05:30
●MXmxg2.bocusa.com2015-07-09 → 2026-06-30 · 3 obs
● 2015-07-09 17:53:18
● 2026-06-30 21:05:30
○MXmxr.bocusa.com2007-10-30 → 2007-10-30 · 3 obs
○ 2015-07-09 17:53:18
○ 2026-06-30 21:05:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net... | - |
| bocusa.com | auth1.dns.cogentco.com, auth2.dns.cogentco.com | 3 records |
✅ Authoritative Response
Server:66.28.0.30
NS records: auth1.dns.cogentco.com, auth2.dns.cogentco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bocusa.com (unsigned zone)
⏱️ Timing
Total: 209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | auth1.dns.cogentco.com, auth2.dns.cogentco.com |
| MX | 2 | mxg2.bocusa.com (pri: 10), mxg1.bocusa.com (pri: 10) |
| TXT | 2 | v=spf1 mx ip4:208.5.220.31 ip4:208.5.220, rm7sj16w2w284j00q6wyzqpbwv24f1zk |
| SOA | 1 | auth1.dns.cogentco.com dns.cogentco.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (auth1.dns.cogentco.com, auth1.dns.cogentco.com, auth2.dns.cogentco.com)
Analysis
Hierarchy
mxg4.bocusa.com, ca.bocusa.com, mxg1.bocusa.com, mxg2.bocusa.com, mx.bocusa.com and a few other host names are all children of bocusa.com.
Name Servers
bocusa.com has two authoritative name servers — auth1.dns.cogentco.com and auth2.dns.cogentco.com.
bocusa.com shares its NS records with other domains, for example 75.120.209.in-addr.arpa, 152.13.149.in-addr.arpa, 32.63.154.in-addr.arpa and two others.
The name servers of bocusa.com overlap at least partially with those of other domains — among them zsmaps.com, upsannualmeeting.com, info-radio.de and two more.
These name servers commonly appear in delegations together with nsb.ups.com, nsa.ups.com, shadowcat-i.ups.com and 4 other.
Both auth1.dns.cogentco.com and auth2.dns.cogentco.com have two IP addresses each. auth1.dns.cogentco.com resolves to 66.28.0.14 and 2001:550:1:a::d; auth2.dns.cogentco.com resolves to 66.28.0.30 and 2001:550:1:b::d.
Mail Servers
bocusa.com is served by two mail servers, mxg1.bocusa.com and mxg2.bocusa.com.
Mail server setup for bocusa.com matches that of other domains, among them bocusa.com.cdn.cloudflare.net.
Both mxg1.bocusa.com and mxg2.bocusa.com have a single IP address each — mxg1.bocusa.com resolves to 208.5.220.31 while mxg2.bocusa.com resolves to 208.5.220.32.